MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URIs, many pointing to IP addresses or disposable domains, consistent with a link farm used to distribute further malicious content or phish for credentials. The presence of multiple PDF_URI heuristics and the ML_NYX_PDF_MALICIOUS firing support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://bushregenerators.net/userfiles/files/28275029620.pdf In PDF document text
- http://arniuniversity.in/ci/userfiles/files/zegojekuxuzo.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/xanexevijususefomirutixow.pdfIn PDF document text
- http://srtprogetti.eu/userfiles/files/95681300397.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/rujixozuwideduxaz.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/xobemodewovabagisiraje.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef58d3960b---31837572335.pdfPDF link annotation
- http://umffz21.ru/admin/ckfinder/userfiles/files/89622266851.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/29344411092.pdfIn PDF document text
- http://itcbeautytrainingschool.com/userfiles/file/lutofaduretelojaxakulol.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/36340537446.pdfIn PDF document text
- https://guclupin.com/calisma2/files/uploads/97503778941.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/mitunazesilolul.pdfIn PDF document text
- https://ngoctraithaibinhduong.com/uploads/news_file/66313769060.pdfIn PDF document text
- https://www.babetravelling.com/ckfinder/userfiles2/files/dedezosepon.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612fafbc280c6---wexafepululatipepij.pdfIn PDF document text
- http://fruitvita.com/files/files/rijofoxenivokedusamafito.pdfIn PDF document text
- http://nuuts.mn/uploads/assets/71004153043.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/nujofugapunujobo.pdfIn PDF document text
- http://rhoptik.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/bipazudonoru.pdfIn PDF document text
- http://sintellect.ru/Repository/file/11368135840.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/19994062236.pdfIn PDF document text
- https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/18491414849.pdfIn PDF document text
- http://newdimension.su/userfiles/file/geduk.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=snes+android+emulatorPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE857 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10069 | 17944 bytes |
SHA-256: 650e1923e86531e9ccefeede48a39b12a9cacd932f32fc0ed1758cf6573811ee |
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font_02_sfnt_off00012ed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ED2 | 10584 bytes |
SHA-256: 5777e930aa800650b7dac959a7252144038e1745b5fe83e1587fb67dfb2e9916 |
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